SPIRAL WOUND GASKET | |||
---|---|---|---|
Style CG | Style CGI | Style R | Style RIR |
Standard : ANSI B16.5, DIN, JIS, | |||
Material : Carbon Steel / Stainless Steel F304/304L, F316/316L | |||
Pressure & Ratings Ansi : 150LBS, 300, 600, 900, 1500, 2500 | |||
Pressure & Ratings JIS : 5KG, 10KG, 16KG, 20KG, 30KG, 40KG | |||
Pressure & Ratings DIN : PN10, PN16, PN25, PN40, DIN/UNI | |||
Size : 1/2" - 28" |
Structural material | |||
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Filler | Steel band | Inner ring | Outer ring |
Asbestos wrapping | SUS 304 | Carbon steel | Carbon steel |
Graphite wrapping | SUS 316 | SUS 304 | SUS 304 |
Teflon wrapping | SUS 316L | SUS 316 | SUS 316 |
- | |||
Filler | Temperature(⁰C) | Max operating pressure(kg/cm2) | |
Asbestos wrapping | -200~550 | 250 | |
Graphite wrapping | -150~450 | 100 | |
Teflon wrapping | 240~260 | 100 |
Standard: ASME B 16.20,API 601
Spiral wound gaskets type | |||
---|---|---|---|
NO. | type | Thickess(mm) | Thickess F (mm) |
1 | Basic Form | 3.2 | 4.5 |
2 | With inner ring | 3.2 | 4.5 |
3 | With outer ring | 3.2 | 4.5 |
4 | With inner ring and out ring | 3.2 | 4.5 |
Structure type | |||
---|---|---|---|
Filler | Hoop | IR | OR |
Asbestos | SUS 304 | CS | CS |
Graphite | SUS 316 | SUS 304 | SUS 304 |
PTFE | SUS 316L | SUS 316 | SUS 316 |
The table below may be used for selected material of inner ring and winding metal. | |||
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Trade Name | AISI | Hardness(HB/HV) | °C |
304 Stainless steel | 304 | 130-180 | -220~+550 |
316 Stainless steel | 316 | 130-180 | -100~+550 |
316L Stainless steel | 316L | 130-190 | -100~+550 |
The outer ring is generally manufactured from carbon steel with an anti-corronsion treatment. | ||
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The table below may be used for determining the correct filler. | ||
Filler | °C | Max Operating Pressure(Kg/cm2) |
304 Stainless steel | -200~+550 | 250 |
316 Stainless steel | -150~+450 | 100 |
316L Stainless steel | -240~+260 | 100 |